Who are good at two subjects only?

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Question

Comprehension

P, Q, R, S, T and U are students of a college. Q and R are good at both Biology and Chemistry. T and R are good at both Computers and Maths. U is good at Chemistry only. S is good at all subjects, except Physics and Maths. P and Q are good at both Physics and Maths. There are five subjects: Physics, Chemistry, Biology, Maths, and Computers.

Who are good at two subjects only?

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Supreme Court Junior Court Assistant 27 Sept 2022 Shift II Official Paper

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T and R
R and S
S and P
P and T

Answer 1

Given: P, Q, R, S, T and U are students of a college.❌

Q and R are good at both Biology and Chemistry.

	Biology	Chemistry	Computers	Maths	Physics
P
Q	✅	✅
R	✅	✅
S
T
U

T and R are good at both Computers and Maths.

	Biology	Chemistry	Computers	Maths	Physics
P
Q	✅	✅
R	✅	✅	✅	✅
S
T			✅	✅
U

U is good at Chemistry only. S is good at all subjects, except Physics and Maths.

	Biology	Chemistry	Computers	Maths	Physics
P
Q	✅	✅
R	✅	✅	✅	✅
S	✅	✅	✅	❌	❌
T			✅	✅
U	❌	✅	❌	❌	❌

P and Q are good at both Physics and Maths.

	Biology	Chemistry	Computers	Maths	Physics
P	❌	❌	❌	✅	✅
Q	✅	✅	❌	✅	✅
R	✅	✅	✅	✅	❌
S	✅	✅	✅	❌	❌
T	❌	❌	✅	✅	❌
U	❌	✅	❌	❌	❌

Thus, P and T good at two subjects only

Hence, the correct answer is "Option 4".

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Who are good at two subjects only?

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